Private Schools in Centralia, Illinois

Mater Dei Catholic High School serves Centralia families as part of the Diocese of Belleville's educational system. This co-educational institution provides a rigorous academic program grounded in Catholic values, with 98% of graduates continuing to higher education. The school features state-of-the-art science and technology labs, comprehensive athletic facilities, and extensive extracurricular programs. Students from Centralia benefit from transportation options and a supportive community environment that emphasizes both academic excellence and character development.

Salem Community High School's private academy division serves students throughout Centralia and surrounding communities with a comprehensive college-preparatory curriculum. The school features advanced STEM laboratories, competitive athletics programs, and extensive fine arts offerings. With small class sizes and dedicated faculty, the institution maintains a strong record of college acceptance and academic achievement. The campus includes modern science facilities, performing arts spaces, and athletic complexes that serve students from across the region.

St. Mary's School is Centralia's premier private elementary and middle school, offering a faith-based education with strong academic foundations. The school provides small class sizes, individualized instruction, and comprehensive preparation for high school. Facilities include modern classrooms, science labs, computer technology centers, and athletic spaces. The curriculum emphasizes core academic subjects while integrating technology, arts, and religious education. Many graduates continue to top regional high schools with advanced placement opportunities.